First results on light readout from the 1-ton ArDM liquid argon detector for dark matter searches

被引：22

作者：

Amsler, C. ^{[2
]}

Badertscher, A. ^{[1
]}

Boccone, V. ^{[2
]}

Bueno, A. ^{[3
,4
]}

Carmona-Benitez, M. C. ^{[3
,4
]}

Creus, W. ^{[2
]}

Curioni, A. ^{[1
]}

Daniel, M. ^{[5
]}

Dawe, E. J. ^{[6
]}

Degunda, U. ^{[1
]}

Gendotti, A. ^{[1
]}

Epprecht, L. ^{[1
]}

Horikawa, S. ^{[1
]}

Kaufmann, L. ^{[1
]}

Knecht, L. ^{[1
]}

Laffranchi, M. ^{[1
]}

Lazzaro, C. ^{[1
]}

Lightfoot, P. K. ^{[6
]}

Lussi, D. ^{[1
]}

Lozano, J. ^{[3
,4
]}

Marchionni, A. ^{[1
]}

Mavrokoridis, K. ^{[6
]}

Melgarejo, A. ^{[3
,4
]}

Mijakowski, P. ^{[7
]}

Natterer, G. ^{[1
]}

Navas-Concha, S. ^{[3
,4
]}

Otyugova, P. ^{[2
]}

de Prado, M. ^{[5
]}

Przewlocki, P. ^{[7
]}

Regenfus, C. ^{[2
]}

Resnati, F. ^{[1
]}

Robinson, M. ^{[6
]}

Rochet, J. ^{[2
]}

Romero, L. ^{[5
]}

Rondio, E. ^{[7
]}

Rubbia, A. ^{[1
]}

Scotto-Lavina, L. ^{[2
]}

Spooner, N. J. C. ^{[6
]}

Strauss, T. ^{[1
]}

Ulbricht, J. ^{[1
]}

Viant, T. ^{[1
]}

机构：

[1] ETH, Inst Particle Phys, CH-8093 Zurich, Switzerland

[2] Univ Zurich, Inst Phys, CH-8057 Zurich, Switzerland

[3] Univ Granada, Dpto Fis Teor & Cosmos, E-18071 Granada, Spain

[4] Univ Granada, CAEPE, E-18071 Granada, Spain

[5] CIEMAT, Div Fis Particulas, E-28040 Madrid, Spain

[6] Univ Sheffield, Dept Phys & Astron, Sheffield S3 7RH, S Yorkshire, England

[7] Andrzej Soltan Inst Nucl Studies, PL-00681 Warsaw, Poland

来源：

JOURNAL OF INSTRUMENTATION | 2010年 / 5卷

基金：

瑞士国家科学基金会;

关键词：

Photon detectors for UV; visible and IR photons (vacuum) (photomultipliers; HPDs; others); Large detector systems for particle and astroparticle physics; Liquid detectors; INTERACTING MASSIVE PARTICLES;

D O I：

10.1088/1748-0221/5/11/P11003

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

ArDM-lt is the prototype for a next generation WIMP detector measuring both the scintillation light and the ionization charge from nuclear recoils in a 1-ton liquid argon target. The goal is to reach a minimum recoil energy of 30 keVr to detect recoiling nuclei. In this paper we describe the experimental concept and present results on the light detection system, tested for the first time in ArDM on the surface at CERN. With a preliminary and incomplete set of PMTs, the light yield at zero electric field is found to be between 0.3-0.5 pheikeVee depending on the position within the detector volume, confirming our expectations based on smaller detector setups.

引用

页数：14

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